Naming Acids and Bases
Name this:
Ba(OH)2
barium hydroxide
What is a titration used for?
To find the concentration of an unknown solution
The pH scale ranges from ___ to ___
0-14
A few drops of methyl orange is added to a calcium hydroxide solution. What color will it turn?
Yellow because it is basic.
What ion does an Arrhenius acid produce in solution?
H+ ion
Name this:
HBr
Hydrobromic acid
What is it called when an OH- ion = H+ ion are in equal amounts during a titration?
Equivalence point
A weak acid
A titration occurs so that 0.5 M sodium hydroxide is added to 25 mL of 0.25 M hydrochloric acid. An over titration occurs. What color would phenolphthalein turn at the time of the over titration?
Pink
According to Bronsted-Lowry acid-base theory, a base can be defined as_________
A proton acceptor
Name this:
HClO
Hypochlorous acid
How much 3.5 M acid is required to neutralize 150 mL of 1.25 M base?
53.57 mL
A solution has a concentration of hydrogen ions of 0.001 M. What is the pH?
What color would bromocresol green be in a neutral solution?
Blue
In the reaction below, which two species are considered acidic?
NH3 + HOH --> NH4+ + OH-
HOH and NH4+
Name this:
H2S2O3
Thiosulfic acid
65 mL of sulfuric acid is required to neutralize 32 mL of 0.7 M calcium hydroxide. What is the molarity of the acid used in the titration?
0.345 M
A solution has a pOH value of 11. What is the pH?
3
Which indicator is green in water?
Bromothymol Blue
Consider the reaction below, what is the conjugate acid?
HCl + H2O --> H3O+ + Cl-
H3O+
Name this:
HSCN
Thiocyanatic acid
The equivalence point of titration was reached when 46.5 mL of sodium hydroxide was titrated into 50.0 mL of 1.25 molar acetic acid. What is the molarity of the base used in the titration?
1.34 molar
A solution has a pH value of 2.5, what is the H+ ion concentration?
0.0032
A solution has a pH of 4.4, 3 drops of bromocresol green are added. What color would the solution be?
Green
What would the products of the following reaction be? Be specific.
KOH + HNO3 --> ???
HOH + KNO3